Optical scanner



FIG. 1 is a top, front, right side perspective view;

FIG. 2 is a top plan view;

FIG. 3 is a right side view;

FIG. 4 is a front view;

FIG. 5 is a left side view;

FIG. 6 is a rear view; and,

FIG. 7 is a bottom plan view. 

The ornamental design for optical scanner, as shown. 